CY28341OC-2

Application Specific Clock/Timing Overview

The CY28341OC-2 is a PLL-based clock generator designed for VIA P4 chipset systems supporting DDR applications. It features two independent circuits with a 1:20 input-to-output ratio, distributing a crystal input to twenty differential clock outputs. The device operates at a maximum frequency of 200 MHz and supports dual voltage supplies of 2.375 V and 3.135 V. Packaged in a 56-pin SSOP, it functions within an ambient temperature range of 0°C to 70°C.

Application Specific Clock/Timing Feature Summary

• Supports DDR applications for VIA P4 chipsets
• Two circuits with 1:20 input-to-output ratio
• Maximum operating frequency of 200 MHz
• Dual voltage supply support (2.375V and 3.135V)

Application Specific Clock/Timing Applications

• VIA P4 Chipset Systems
• DDR Memory Controller Clocking

Application Specific Clock/Timing Procurement Notes

Verify the specific ordering suffix against official Cypress documentation to confirm package type and temperature grade. Ensure the required supply voltages match the design specifications. Confirm RoHS compliance status as historical data may vary by production batch.

Application Specific Clock/Timing Selection Notes

Select this component when designing for VIA P4 architectures requiring synchronized DDR clock distribution. Ensure the PCB layout accommodates the 56-SSOP footprint. Verify that the system power rails provide stable 2.375 V and 3.135 V supplies for proper PLL operation.

Application Specific Clock/Timing Part Context

This part belongs to the CY28341 family of universal single-chip clock solutions. It is specifically optimized for VIA P4M/KT/KM400 series chipsets. The device integrates multiple clock generators to reduce board space compared to discrete timing components.

Application Specific Clock/Timing Replacement Considerations

Check for CY28341 variants with different suffixes for package or temperature differences. Consult Skyworks Solutions documentation for direct pin-compatible replacements if Cypress inventory is unavailable.